WIXBUG:6299 - Fix OverflowException in ReadUInt32.

2 files changed, 72 insertions, 0 deletions

diff --git a/src/test/WixToolsetTest.Core.Burn/BurnReaderFixture.cs b/src/test/WixToolsetTest.Core.Burn/BurnReaderFixture.cs
new file mode 100644
index 00000000..a83da7f6
--- /dev/null
+++ b/src/test/WixToolsetTest.Core.Burn/BurnReaderFixture.cs
@@ -0,0 +1,44 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolsetTest.Core.Burn
+{
+    using System;
+    using WixToolset.Core.Burn.Bundles;
+    using Xunit;
+
+    public class BurnReaderFixture
+    {
+        [Fact]
+        public void CanReadUInt16Max()
+        {
+            var bytes = new byte[] { 0xFF, 0xFF };
+            var offset = 0u;
+
+            var result = BurnCommon.ReadUInt16(bytes, offset);
+
+            Assert.Equal(UInt16.MaxValue, result);
+        }
+
+        [Fact]
+        public void CanReadUInt32Max()
+        {
+            var bytes = new byte[] { 0xFF, 0xFF, 0xFF, 0xFF };
+            var offset = 0u;
+
+            var result = BurnCommon.ReadUInt32(bytes, offset);
+
+            Assert.Equal(UInt32.MaxValue, result);
+        }
+
+        [Fact]
+        public void CanReadUInt64Max()
+        {
+            var bytes = new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+            var offset = 0u;
+
+            var result = BurnCommon.ReadUInt64(bytes, offset);
+
+            Assert.Equal(UInt64.MaxValue, result);
+        }
+    }
+}
diff --git a/src/test/WixToolsetTest.Core.Burn/WixToolsetTest.Core.Burn.csproj b/src/test/WixToolsetTest.Core.Burn/WixToolsetTest.Core.Burn.csproj
new file mode 100644
index 00000000..da0985b1
--- /dev/null
+++ b/src/test/WixToolsetTest.Core.Burn/WixToolsetTest.Core.Burn.csproj
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
+
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <IsPackable>false</IsPackable>
+    <DebugType>embedded</DebugType>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <NoWarn>NU1701</NoWarn>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\WixToolset.Core.Burn\WixToolset.Core.Burn.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="WixBuildTools.TestSupport" Version="4.0.*" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" PrivateAssets="All" />
+  </ItemGroup>
+</Project>